10. 10
Python unittest.mock
Javascript Sinon.JS
Ugly interface and difficult to use
Hard to understand
Unfriendly document for beginner
Nice interface and easy to use
Relatively clear to understand
Friendly document for beginner
28. 28
Don't reinvent the wheel
If there is a car, learning how to drive it
Exception
You plan on learning more about the wheels
The project has a strong and experienced team
29. 29
Don’t be afraid of joining the
communities, they will help you
grow up properly!